:root{color-scheme:light dark;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}body{margin:0;background:var(--tg-theme-bg-color, #ffffff);color:var(--tg-theme-text-color, #111111)}.screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:24px;text-align:center;gap:12px}.balance-card{margin-top:16px;padding:24px 32px;border-radius:16px;background:var(--tg-theme-secondary-bg-color, #f2f2f2)}.balance-amount{font-size:32px;font-weight:700}.balance-sub{font-size:13px;opacity:.6}.referral-code{font-family:monospace;opacity:.7}